<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 设置属性enctype="multipart/form-data"才能上传文件 -->
    <!--  多文件上传要添加 multiple="multiple" -->
    <form action="http://localhost:3000/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="myfile" multiple="multiple"><br>
        <input type="submit" value="提交">
    </form>
</body>
</html>